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db\ActiveQuery one()

one() public method

Executes query and returns a single row of result.

public yii\db\ActiveRecord\|array\|null one ( $db = null )
$db	yii\db\Connection	The DB connection used to create the DB command. If null, the DB connection returned by $modelClass will be used.
return	yii\db\ActiveRecord\|array\|null	A single row of query result. Depending on the setting of asArray(), the query result may be either an array or an ActiveRecord object. Null will be returned if the query results in nothing.

Links:

http://www.yiiframework.com/doc-2.0/yii-db-activequery.html#one()-detail

doc_Yii

2016-10-30 16:56:11

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